15143224442 has 8 divisors (see below), whose sum is σ = 22759996896. Its totient is φ = 7556558812.

The previous prime is 15143224429. The next prime is 15143224451. The reversal of 15143224442 is 24442234151.

15143224442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×15143224442² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15143224399 and 15143224408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7525448 + ... + 7527459.

It is an arithmetic number, because the mean of its divisors is an integer number (2844999612).

Almost surely, 2^15143224442 is an apocalyptic number.

15143224442 is a deficient number, since it is larger than the sum of its proper divisors (7616772454).

15143224442 is a wasteful number, since it uses less digits than its factorization.

15143224442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15053412.

The product of its digits is 30720, while the sum is 32.

Adding to 15143224442 its reverse (24442234151), we get a palindrome (39585458593).

The spelling of 15143224442 in words is "fifteen billion, one hundred forty-three million, two hundred twenty-four thousand, four hundred forty-two".